How many cylinders do you have? most likely it is a AMC 258 inline 6 cylinder. If it is a 8 cylinder it is a AMC 304.
Soon to come....86 J-10 pioneer 360 C.I.D. aftermarket A/C, Western plow, 50K original Miles.
77 CJ-5 Levi's edition, 304 C.I.D. 4" lift, Edelbrock Performer intake, Performer carb., MSD 6A ignition system, MSD Billet Distributor, optima yellow top, Edelbrock valve covers, Moroso Air Cleaner.
75 CJ-5 258 C.I.D. Completely Stock, half cab, plow vehicle, Vice grip windshield wiper motor, extremely rusty but reliable.